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STATE OF COLORADO <br />OFFICE OF THE STATE ENGINEER <br />Division of Water Resources <br />Department of Natural Resources <br />1313 Sherman Street, Room 818 <br />Denver, Colorado 80203 <br />Phone (303) 866-3581 <br />FAX (303) 866-3589 <br />http'. iJwww. water. slate. co. u s <br />Joseph J. Dudash <br />Environmental Protection Specialist <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver. Colorado 80203 <br />August 16, 2007 <br />Re: Bowie No. 2 Mine (Permit No. C-1996-083) <br />Technical Revisions Application No. 48 (TR-48) <br />Revised Hubbard Creek Vent Shaft Project <br />Dear Mr. Dudash: <br />AUG 16 2001 <br />Division r..f ; ::•.:~.; motion, <br />Mining and Safety <br />pF Cpl <br />~~ 'Ps <br />F~'~ ..,$ <br />. ' <br />f r8i6 <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />(Vacant) <br />State Engineer <br />On August 16, 2007, the State Engineer's Office (SEO) reviewed the Bowie No. 2 Mine <br />(Permit No. C-1996-083), Technical Revisions Application No.48 (TR-48) for the Revised <br />Hubbard Creek Vent Shaft Project. The revision proposes to drill two 10.5 foot diameter <br />shafts instead of one 12 foot diameter shaft. A mud pit will be used for drilling purposes. <br />The mud pit will be a temporary feature that will be backfilled upon completion of the <br />drilling. Water for the drilling operation and pit will be supplied from Hubbard Creek as <br />long as the creek does not have a call. When there is a call, water will be hauled from <br />alternative sources. The SEO needs to know the alternative sources that the applicant <br />intends to use in order to respond to the proposal. <br />If you have any questions, feel free to contact the information desk of this office at (303) <br />866-3587. <br />Sincerely, <br />~~_ ~ .~• <br />Mark J. Va li, PhD, PE, PG, BCEE <br />Water Resources Engineer <br />cc: file <br />MV/mv <br />